TMK IPSCO produces ERW and Seamless line pipe in the United States. ERW sizes are avialable in 2" through 16" O.D. Seamless line pipe is produced in 2 3/8 - 4 1/2" O.D. TMK Russian plants produce Seamless line pipe in 2 3/8" - 16" O.D., ERW line pipe 20" - 56" and Spiral DSAW 22" - 56". TMK IPSCO now has more flexibility in sizes, walls, and grades to meet the supply chain challenges for North and South America.